1--TEST-- 2Test each() function 3--FILE-- 4<?php 5/* Return the current key and value pair from an array 6 and advance the array cursor */ 7 8echo "*** Testing each() : basic functionality ***\n"; 9$arrays = array ( 10 array(0), 11 array(1), 12 array(-1), 13 array(1, 2, 3, 4, 5), 14 array(-1, -2, -3, 6, 7, 8), 15 array("a", "ab", "abc", "abcd"), 16 array("1" => "one", "2" => "two", "3" => "three", "4" => "four"), 17 array("one" => 1, "two" => 2, 3 => "three", 4 => 4, "" => 5, 18 " " => 6, "\x00" => "\x000", "\0" => "\0", "" => "", 19 TRUE => TRUE, FALSE => FALSE, NULL => NULL 20 ), 21 array("1.5" => "one.5", "-2.0" => "negative2.0"), 22 array(-5 => "negative5", -.05 => "negative.05") 23 ); 24 25/* loop through to check working of each() on different arrays */ 26$i = 0; 27while( list( $key, $sub_array) = each($arrays) ) { 28 echo "-- Iteration $i --\n"; 29 $c = count ($sub_array); 30 $c++; // increment by one to create the situation 31 // of accessing beyond array size 32 while ( $c ) { 33 var_dump( each($sub_array) ); 34 $c --; 35 } 36 /* assignment of an array to another variable resets the internal 37 pointer of the array. check this and ensure that each returns 38 the first element after the assignment */ 39 $new_array = $sub_array; 40 var_dump( each($sub_array) ); 41 echo "\n"; 42 $i++; 43} 44 45echo "\n*** Testing each() : possible variations ***\n"; 46echo "-- Testing each() with reset() function --\n"; 47/* reset the $arrays and use each to get the first element */ 48var_dump( reset($arrays) ); 49var_dump( each($arrays) ); // first element 50list($key, $sub_array) = each($arrays); // now second element 51var_dump( each($sub_array) ); 52 53 54echo "-- Testing each() with resources --\n"; 55$fp = fopen(__FILE__, "r"); 56$dfp = opendir("."); 57 58$resources = array ( 59 "file" => $fp, 60 "dir" => $dfp 61); 62 63for( $i = 0; $i < count($resources); $i++) { 64 var_dump( each($resources) ); 65} 66 67echo "-- Testing each with objects --\n"; 68 69class each_class { 70 private $var_private = 100; 71 protected $var_protected = "string"; 72 public $var_public = array(0, 1, TRUE, NULL); 73} 74$each_obj = new each_class(); 75for( $i = 0; $i <= 2; $i++ ) { 76 var_dump( each($each_obj) ); 77} 78 79echo "-- Testing each() with null array --\n"; 80$null_array = array(); 81var_dump( each($null_array) ); 82 83 84echo "\n*** Testing error conditions ***\n"; 85 86/* unexpected number of arguments */ 87var_dump( each() ); // args = 0 88var_dump( each($null_array, $null_array) ); // args > expected 89 90/* unexpected argument type */ 91$var=1; 92$str ="string"; 93$fl = "15.5"; 94var_dump( each($var) ); 95var_dump( each($str) ); 96var_dump( each($fl) ); 97 98// close resourses used 99fclose($fp); 100closedir($dfp); 101 102echo "Done\n"; 103?> 104 105--EXPECTF-- 106*** Testing each() : basic functionality *** 107-- Iteration 0 -- 108array(4) { 109 [1]=> 110 int(0) 111 ["value"]=> 112 int(0) 113 [0]=> 114 int(0) 115 ["key"]=> 116 int(0) 117} 118bool(false) 119array(4) { 120 [1]=> 121 int(0) 122 ["value"]=> 123 int(0) 124 [0]=> 125 int(0) 126 ["key"]=> 127 int(0) 128} 129 130-- Iteration 1 -- 131array(4) { 132 [1]=> 133 int(1) 134 ["value"]=> 135 int(1) 136 [0]=> 137 int(0) 138 ["key"]=> 139 int(0) 140} 141bool(false) 142array(4) { 143 [1]=> 144 int(1) 145 ["value"]=> 146 int(1) 147 [0]=> 148 int(0) 149 ["key"]=> 150 int(0) 151} 152 153-- Iteration 2 -- 154array(4) { 155 [1]=> 156 int(-1) 157 ["value"]=> 158 int(-1) 159 [0]=> 160 int(0) 161 ["key"]=> 162 int(0) 163} 164bool(false) 165array(4) { 166 [1]=> 167 int(-1) 168 ["value"]=> 169 int(-1) 170 [0]=> 171 int(0) 172 ["key"]=> 173 int(0) 174} 175 176-- Iteration 3 -- 177array(4) { 178 [1]=> 179 int(1) 180 ["value"]=> 181 int(1) 182 [0]=> 183 int(0) 184 ["key"]=> 185 int(0) 186} 187array(4) { 188 [1]=> 189 int(2) 190 ["value"]=> 191 int(2) 192 [0]=> 193 int(1) 194 ["key"]=> 195 int(1) 196} 197array(4) { 198 [1]=> 199 int(3) 200 ["value"]=> 201 int(3) 202 [0]=> 203 int(2) 204 ["key"]=> 205 int(2) 206} 207array(4) { 208 [1]=> 209 int(4) 210 ["value"]=> 211 int(4) 212 [0]=> 213 int(3) 214 ["key"]=> 215 int(3) 216} 217array(4) { 218 [1]=> 219 int(5) 220 ["value"]=> 221 int(5) 222 [0]=> 223 int(4) 224 ["key"]=> 225 int(4) 226} 227bool(false) 228array(4) { 229 [1]=> 230 int(1) 231 ["value"]=> 232 int(1) 233 [0]=> 234 int(0) 235 ["key"]=> 236 int(0) 237} 238 239-- Iteration 4 -- 240array(4) { 241 [1]=> 242 int(-1) 243 ["value"]=> 244 int(-1) 245 [0]=> 246 int(0) 247 ["key"]=> 248 int(0) 249} 250array(4) { 251 [1]=> 252 int(-2) 253 ["value"]=> 254 int(-2) 255 [0]=> 256 int(1) 257 ["key"]=> 258 int(1) 259} 260array(4) { 261 [1]=> 262 int(-3) 263 ["value"]=> 264 int(-3) 265 [0]=> 266 int(2) 267 ["key"]=> 268 int(2) 269} 270array(4) { 271 [1]=> 272 int(6) 273 ["value"]=> 274 int(6) 275 [0]=> 276 int(3) 277 ["key"]=> 278 int(3) 279} 280array(4) { 281 [1]=> 282 int(7) 283 ["value"]=> 284 int(7) 285 [0]=> 286 int(4) 287 ["key"]=> 288 int(4) 289} 290array(4) { 291 [1]=> 292 int(8) 293 ["value"]=> 294 int(8) 295 [0]=> 296 int(5) 297 ["key"]=> 298 int(5) 299} 300bool(false) 301array(4) { 302 [1]=> 303 int(-1) 304 ["value"]=> 305 int(-1) 306 [0]=> 307 int(0) 308 ["key"]=> 309 int(0) 310} 311 312-- Iteration 5 -- 313array(4) { 314 [1]=> 315 string(1) "a" 316 ["value"]=> 317 string(1) "a" 318 [0]=> 319 int(0) 320 ["key"]=> 321 int(0) 322} 323array(4) { 324 [1]=> 325 string(2) "ab" 326 ["value"]=> 327 string(2) "ab" 328 [0]=> 329 int(1) 330 ["key"]=> 331 int(1) 332} 333array(4) { 334 [1]=> 335 string(3) "abc" 336 ["value"]=> 337 string(3) "abc" 338 [0]=> 339 int(2) 340 ["key"]=> 341 int(2) 342} 343array(4) { 344 [1]=> 345 string(4) "abcd" 346 ["value"]=> 347 string(4) "abcd" 348 [0]=> 349 int(3) 350 ["key"]=> 351 int(3) 352} 353bool(false) 354array(4) { 355 [1]=> 356 string(1) "a" 357 ["value"]=> 358 string(1) "a" 359 [0]=> 360 int(0) 361 ["key"]=> 362 int(0) 363} 364 365-- Iteration 6 -- 366array(4) { 367 [1]=> 368 string(3) "one" 369 ["value"]=> 370 string(3) "one" 371 [0]=> 372 int(1) 373 ["key"]=> 374 int(1) 375} 376array(4) { 377 [1]=> 378 string(3) "two" 379 ["value"]=> 380 string(3) "two" 381 [0]=> 382 int(2) 383 ["key"]=> 384 int(2) 385} 386array(4) { 387 [1]=> 388 string(5) "three" 389 ["value"]=> 390 string(5) "three" 391 [0]=> 392 int(3) 393 ["key"]=> 394 int(3) 395} 396array(4) { 397 [1]=> 398 string(4) "four" 399 ["value"]=> 400 string(4) "four" 401 [0]=> 402 int(4) 403 ["key"]=> 404 int(4) 405} 406bool(false) 407array(4) { 408 [1]=> 409 string(3) "one" 410 ["value"]=> 411 string(3) "one" 412 [0]=> 413 int(1) 414 ["key"]=> 415 int(1) 416} 417 418-- Iteration 7 -- 419array(4) { 420 [1]=> 421 int(1) 422 ["value"]=> 423 int(1) 424 [0]=> 425 string(3) "one" 426 ["key"]=> 427 string(3) "one" 428} 429array(4) { 430 [1]=> 431 int(2) 432 ["value"]=> 433 int(2) 434 [0]=> 435 string(3) "two" 436 ["key"]=> 437 string(3) "two" 438} 439array(4) { 440 [1]=> 441 string(5) "three" 442 ["value"]=> 443 string(5) "three" 444 [0]=> 445 int(3) 446 ["key"]=> 447 int(3) 448} 449array(4) { 450 [1]=> 451 int(4) 452 ["value"]=> 453 int(4) 454 [0]=> 455 int(4) 456 ["key"]=> 457 int(4) 458} 459array(4) { 460 [1]=> 461 NULL 462 ["value"]=> 463 NULL 464 [0]=> 465 string(0) "" 466 ["key"]=> 467 string(0) "" 468} 469array(4) { 470 [1]=> 471 int(6) 472 ["value"]=> 473 int(6) 474 [0]=> 475 string(2) " " 476 ["key"]=> 477 string(2) " " 478} 479array(4) { 480 [1]=> 481 string(1) "�" 482 ["value"]=> 483 string(1) "�" 484 [0]=> 485 string(1) "�" 486 ["key"]=> 487 string(1) "�" 488} 489array(4) { 490 [1]=> 491 bool(true) 492 ["value"]=> 493 bool(true) 494 [0]=> 495 int(1) 496 ["key"]=> 497 int(1) 498} 499array(4) { 500 [1]=> 501 bool(false) 502 ["value"]=> 503 bool(false) 504 [0]=> 505 int(0) 506 ["key"]=> 507 int(0) 508} 509bool(false) 510array(4) { 511 [1]=> 512 int(1) 513 ["value"]=> 514 int(1) 515 [0]=> 516 string(3) "one" 517 ["key"]=> 518 string(3) "one" 519} 520 521-- Iteration 8 -- 522array(4) { 523 [1]=> 524 string(5) "one.5" 525 ["value"]=> 526 string(5) "one.5" 527 [0]=> 528 string(3) "1.5" 529 ["key"]=> 530 string(3) "1.5" 531} 532array(4) { 533 [1]=> 534 string(11) "negative2.0" 535 ["value"]=> 536 string(11) "negative2.0" 537 [0]=> 538 string(4) "-2.0" 539 ["key"]=> 540 string(4) "-2.0" 541} 542bool(false) 543array(4) { 544 [1]=> 545 string(5) "one.5" 546 ["value"]=> 547 string(5) "one.5" 548 [0]=> 549 string(3) "1.5" 550 ["key"]=> 551 string(3) "1.5" 552} 553 554-- Iteration 9 -- 555array(4) { 556 [1]=> 557 string(9) "negative5" 558 ["value"]=> 559 string(9) "negative5" 560 [0]=> 561 int(-5) 562 ["key"]=> 563 int(-5) 564} 565array(4) { 566 [1]=> 567 string(11) "negative.05" 568 ["value"]=> 569 string(11) "negative.05" 570 [0]=> 571 int(0) 572 ["key"]=> 573 int(0) 574} 575bool(false) 576array(4) { 577 [1]=> 578 string(9) "negative5" 579 ["value"]=> 580 string(9) "negative5" 581 [0]=> 582 int(-5) 583 ["key"]=> 584 int(-5) 585} 586 587 588*** Testing each() : possible variations *** 589-- Testing each() with reset() function -- 590array(1) { 591 [0]=> 592 int(0) 593} 594array(4) { 595 [1]=> 596 array(1) { 597 [0]=> 598 int(0) 599 } 600 ["value"]=> 601 array(1) { 602 [0]=> 603 int(0) 604 } 605 [0]=> 606 int(0) 607 ["key"]=> 608 int(0) 609} 610array(4) { 611 [1]=> 612 int(1) 613 ["value"]=> 614 int(1) 615 [0]=> 616 int(0) 617 ["key"]=> 618 int(0) 619} 620-- Testing each() with resources -- 621array(4) { 622 [1]=> 623 resource(5) of type (stream) 624 ["value"]=> 625 resource(5) of type (stream) 626 [0]=> 627 string(4) "file" 628 ["key"]=> 629 string(4) "file" 630} 631array(4) { 632 [1]=> 633 resource(6) of type (stream) 634 ["value"]=> 635 resource(6) of type (stream) 636 [0]=> 637 string(3) "dir" 638 ["key"]=> 639 string(3) "dir" 640} 641-- Testing each with objects -- 642array(4) { 643 [1]=> 644 int(100) 645 ["value"]=> 646 int(100) 647 [0]=> 648 string(23) "�each_class�var_private" 649 ["key"]=> 650 string(23) "�each_class�var_private" 651} 652array(4) { 653 [1]=> 654 string(6) "string" 655 ["value"]=> 656 string(6) "string" 657 [0]=> 658 string(16) "�*�var_protected" 659 ["key"]=> 660 string(16) "�*�var_protected" 661} 662array(4) { 663 [1]=> 664 array(4) { 665 [0]=> 666 int(0) 667 [1]=> 668 int(1) 669 [2]=> 670 bool(true) 671 [3]=> 672 NULL 673 } 674 ["value"]=> 675 array(4) { 676 [0]=> 677 int(0) 678 [1]=> 679 int(1) 680 [2]=> 681 bool(true) 682 [3]=> 683 NULL 684 } 685 [0]=> 686 string(10) "var_public" 687 ["key"]=> 688 string(10) "var_public" 689} 690-- Testing each() with null array -- 691bool(false) 692 693*** Testing error conditions *** 694 695Warning: each() expects exactly 1 parameter, 0 given in %s on line %d 696NULL 697 698Warning: each() expects exactly 1 parameter, 2 given in %s on line %d 699NULL 700 701Warning: Variable passed to each() is not an array or object in %s on line %d 702NULL 703 704Warning: Variable passed to each() is not an array or object in %s on line %d 705NULL 706 707Warning: Variable passed to each() is not an array or object in %s on line %d 708NULL 709Done 710
